diff options
| -rw-r--r-- | src/librustc/dep_graph/graph.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/librustc/dep_graph/graph.rs b/src/librustc/dep_graph/graph.rs index db81a9d826f..1ecc580d8c5 100644 --- a/src/librustc/dep_graph/graph.rs +++ b/src/librustc/dep_graph/graph.rs @@ -992,8 +992,9 @@ impl CurrentDepGraph { // Pre-allocate the dep node structures. We over-allocate a little so // that we hopefully don't have to re-allocate during this compilation - // session. - let new_node_count_estimate = (prev_graph_node_count * 115) / 100; + // session. The over-allocation is 2% plus a small constant to account + // for the fact that in very small crates 2% might not be enough. + let new_node_count_estimate = (prev_graph_node_count * 102) / 100 + 200; CurrentDepGraph { data: IndexVec::with_capacity(new_node_count_estimate), |